Home / 55,986.23-83,991.18-18,544.18

Finding the Fourth Proportional to 55,986.23, 83,991.18 and 18,544.18

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Solution

The fourth proportional to 55,986.23, 83,991.18 and 18,544.18 is: 27,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.23 : 83,991.18 = 18,544.18 : x
  2. Step 2: Convert to fraction form
    55,986.23/83,991.18 = 18,544.18/x
  3. Step 3: Cross multiply
    55,986.23x = 83,991.18 × 18,544.18
  4. Step 4: Simplify right side
    55,986.23x = 1,557,547,140.38
  5. Step 5: Solve for x
    x = 1,557,547,140.38/55,986.23
  6. Step 6: Final answer
    x = 27,820.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.